发明授权
- 专利标题: Process for the preparation of heterosubstituted acetals
- 专利标题(中): 制备异取代缩醛的方法
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申请号: US408240申请日: 1995-03-22
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公开(公告)号: US5478960A公开(公告)日: 1995-12-26
- 发明人: Heinz Landscheidt , Alexander Klausener
- 申请人: Heinz Landscheidt , Alexander Klausener
- 申请人地址: DEX Leverkusen
- 专利权人: Bayer Aktiengesellschaft
- 当前专利权人: Bayer Aktiengesellschaft
- 当前专利权人地址: DEX Leverkusen
- 优先权: DEX4410867.2 19940329
- 主分类号: B01J23/44
- IPC分类号: B01J23/44 ; B01J27/13 ; C07B61/00 ; C07C31/04 ; C07C41/50 ; C07C43/315 ; C07C303/30 ; C07C309/68 ; C07C315/04 ; C07C317/18 ; C07C319/20 ; C07C323/11 ; C07F7/08 ; C07F7/18 ; C07F9/28 ; C07F9/40 ; C07F9/02
摘要:
Heterosubstituted acetals of the formula ##STR1## can be obtained by reacting vinyl compounds of the formulaCH.sub.2 .dbd.CH-A.sup.1 (II)with alkyl nitrites of the formulaR.sup.1 --ONO (III.)The reaction is performed in the presence of palladium in metallic or bonded form and in alcohols or ethers as reaction medium at from 0.degree. to 120.degree. C.
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